2段接触酸化法によるスルファニルアミドを含む高塩分・高濃度有機性廃水の処理

概要

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Two-stage contact oxidation process was used to treat sulfanilamide wastewater containing high salinity and high strength organic matter. The results indicated that the removal of sulfanilamide was changed from the first stage to second stage with the increasing of loading rate, and when the loading rate was increased up to 1.85 kg-TOC·m-3·d-1 sulfanilamide was only removed in the second stage. During this period the total removal of BOD was about 96.5%, the removal of sulfanilamide was 94.1% and the turbidity of the treated wastewater was low because of the low concentration of SS in the effluent. In this study the deference of the bacterial structure between the first stage and the second stage was not obvious until TOC loading rate was increased to 1.16 kg-TOC·m-3·d-1. However, when TOC loading rate was 1.85 kg-TOC·m-3·d-1, in the first stage microorganisms mainly consisted of bacilliform bacteria, in the second stage, microorganisms mainly consisted of filamentous bacteria.
社団法人　日本水環境学会の論文
1995-09-10